• 대한치과마취과학회지
• /
• 제12권1호
• /
• pp.39-43
• /
• 2012

One of the most common procedures in dentistry is the inferior alveolar nerve block anesthesia but visual problem can occur during this procedure. Transient visual acuity decrease after inferior alveolar nerve block anesthesia can result from unintended intravascular injection. In this case report, we present ocular complication that has rarely been reported. The understanding of anatomy related to this case is discussed with suggestions for proper management of the patients. The dental management for ocular complications includes a correct diagnosis, management by understanding of patient's anatomic variations. This will prevent intravascular injection.

• 대한안전경영과학회지
• /
• 제17권2호
• /
• pp.153-160
• /
• 2015

This study tried to investigate the difference of the legibility in different age groups (young and old) with same near visual acuity and to provide preliminary guidelines for the text sizes in the pesticides products based on the legibility experiments. To achieve the objective, legibility evaluation experiments were conducted to test the effects of different age(20s, 50-60s), gender, font type(thick gothic-type and fine gothic-type), thickness (plain and bold), and number of syllables(2 and 3 syllables) in the same near visual acuity(0.6). The results showed that legibility 50s was higher than 20s. And 20s are appealed higher discomfort than 50s. Considering these experimental results, it was recommended that the 14 pt or larger characters (100% readable size) should be used the important information such as toxicity, and the minimum character size was 7 pt (50% readable size) for other information.

• Journal of Chest Surgery
• /
• 제3권2호
• /
• pp.127-132
• /
• 1970

A patient was 29 year old house wife who was admitted to the Yonsei University Medical Center on 6 th of Nov., in 1970, with chief complaints of complete loss of bilateral visual acuity, generalized weakness, frequent palpitations, claudication of masseter muscles and intermittent fainting. These symptoms were developed 5 years prior to admission. Physical finding on admission revealed complete loss of bilateral visual acuity, absence of both radial and carotid pulse, but there was good femoral and popliteal pulse. She couldn't open her mouth as she desired and had weakness of mastication. Radiological findings of plane chest PA were not significant. Aortogram(Cineangiogram) showed non-visualization of both carotid and subclavian arteries. It showed only innominate and interal mammary artery preoperatively. The operative findings were as follows: There were complete obliterative changes in both common carotid and subclavian arteries, and periarteritis in the innominate artery. Tube Dacron Prosthesis Bypass with V-arm between innominate artery and both common carotid arteries was performed after thromboendarterectomy. Histopathological finding of the thromboend arterectomy specimen was compatible with pulseless disease, which showed marked fibrous thickening of intima and a diffuse inflammatory cell infiltration of the whole layers. Her postopererative course was uneventful. Follow up aortogram(Cineangiogram) was taken on 11th postoperative day, which revealed both common carotid arteries patent. Her preoperative Subjective symtoms disappeared remarkably, such as her visual acuity improved much, fainting and vertigo disappeared completely and she can go to bath room without difficulty and help. Another patient was 34 year old house wife who was admitted on August, 1964 with chief complaints of frequent fainting and progresive visual loss. She was operated only thromboendarterectomy of both common carotid arteries. Postoperative course was smooth and subjective symptoms were disappeared.

• 한국안광학회지
• /
• 제13권2호
• /
• pp.59-62
• /
• 2008

목적: 알코올 섭취 후 시간경과에 따른 시력변화를 알아보고자 하였다. 방법: 음주 1시간 및 3시간 후의 자각적 타각적 굴절검사, 원거리 대비감도 검사, 그리고 세막대 입체시 검사를 실시하였다. 결과: 혈중 알코올 농도의 상승과 비례하여 평균 -0.25D ~ -0.35D의 근시성 변화를 일으켰고, 동적입체시 기능이 저하되는 것으로 나타났다. 그러나 대비감도는 모든 공간주파수에서 큰 변화가 없는 것으로 나타났다. 결론: 알코올이 일반적인 시력검사 및 기능검사에 영향을 끼친다는 사실을 숙지하고 피검자의 검사 전 알코올 음용에 대해 문진할 필요성이 있다.

• 한국안광학회지
• /
• 제10권3호
• /
• pp.241-246
• /
• 2005

본 연구는 굴절이상을 가진 피검자의 단안에서 Netspeg lens를 착용 후 시력 개선의 상태를 P-VEP의 파형 분석을 통해서 검증하고자 하였다. P-VEP는 3 channel의 Bausch Lomb system으로 기록하였다. 10명의 성인 피검자(남성 5인, 여성 5명; 평균 21세, 연령은 19세와 23세 사이)의 눈을 검사하였다. 피검자는 전신건강, 약물복용, 유전, 알레르기 그리고 안질환을 포함하는 문진 등을 조사하였다. 시력과 굴절검사는 Netspeg lens를 사용하여 피검자의 단안을 기록하였다. 피검자는 P-VEP 기록을 하는 동안 교정된 시력을 통해서 단안의 P-VEP 자극을 본다. 연구의 결과 Netspeg lens를 사용한 단안은 사용하지 않는 눈에 비해서 시력 결상이 선영하게 자각되었다. 한편 P-VEP 검사에서는 Netspeg lens를 사용한 눈이 높은 진폭 나타 내었다. 그러나 P-VEP의 장복시간은 오히려 늦게 나타났다. 그러나 P-VEP이 형태에서는 Netspeg lens를 사용한 눈이 안정된 파형을 유지하였다. 한편 오른 눈과 왼눈의 유의성은 거의 없었다. 따라서 본 연구에서는 Netspeg lens를 사용한 단안에서는 그렇지 않는 눈에 비해서 시력과 시기능이 기능이 우수함을 나타내었다.

• 대한중풍순환신경학회지
• /
• 제24권1호
• /
• pp.25-40
• /
• 2023

Background: Although not clarified, the overall prevalence of visual field loss after stroke was estimated at 52% of stroke survivors and for visual acuity loss, at 70% of them. Among visual field loss patients after stroke, homonymous hemianopia is the most common symptom. Visual defect degrades the quality of life by disrupting independent life and affecting the survival of the patients, but highly-evidenced treatment has not been found until now. ■Case report A 51-year-old female with left-side homonymous hemianopia and central vision loss by a right occipital-temporal hemorrhage was treated with Hyeolbuchukeo-tang, Ikgibohyeol-tang, acupuncture, electroacupuncture, and moxibustion. We used a confrontation visual field exam, automated perimetry and visual analog scale, and visual acuity test to observe changes in the patient's symptoms and evaluate the efficacy of the treatment. After 61 days of such interventions, the patient's subjective discomfort lessened, followed by positive changes in the scales of tests mentioned above. ■Conclusion This case suggests that combined Korean medicine treatment might be an effective tool for treating post-stroke homonymous hemianopia and central vision loss. More studies should be conducted to support the effectiveness of the treatment.

• 대한간호학회지
• /
• 제48권4호
• /
• pp.407-418
• /
• 2018

Purpose: The purpose of this study was to develop an eye-health program based on social learning theory (EPST) of preschoolers and evaluate its effectiveness. Methods: A nonequivalent control group pre-post test design was utilized and 141 six-year-old preschoolers and their parents participated (experimental group=69, control group=72) in the study. The EPST in this study included eye-health education and eye exercises. Attention, memory, replay, motivation, reinforcement, and self-efficacy were used as interventional strategies. To examine the effectiveness of EPST, proficiency in eye-health activities, refractive power, and visual acuity were measured before and after the intervention. Data were analyzed with SPSS WIN 21.0 using the Shapiro-Wilk test, ${\chi}^2$-test, Mann-Whitney U test and Wilcoxon signed rank test. Results: Following the intervention, eye-health activities, refractive power, and visual acuity significantly improved in the experimental group compared to the control group. Conclusion: The results of this study suggest that EPST is effective in improving eye-health activities, refractive power, and visual acuity in preschoolers, and its wider implementation in educational institutions will promise improved eye-health among preschoolers.

• 한국안광학회지
• /
• 제8권2호
• /
• pp.105-109
• /
• 2003

본 연구는 전북 익산시의 초등학교 한 곳을 택하였고, 전교생 1321명에서 안경을 착용한 80명을 대상으로 설문지를 이용하여 조사하였다. 설문 내용은 대상자의 안경착용시기, 부모와 형제자매의 연관성 그리고 시력 변화에 관한 조사이었다. 대상자의 안경 착용 시기는 l학년 때에 대상자의 26%, 2학년과 3학년은 각 20%, 입학 전에는 16.2%, 4학년은 15% 그리고 5학년과 6학년은 각 1.2%(1명)로 조사되었다. 대상자와 부모의 안경 착용 연계성은 아버지와 어머니 모두가 안경을 착용하지 않은 경우가 37.5%이고, 어머니만 안경 착용한 경우는 32.%이고, 양부모가 모두 착용한 경우는 20%이었고 그리고 아버지만이 안경 착용한 경우는 10%이었다. 대상자의 형제자매가 안경을 착용한 경우는 33.7%이고, 대상자의 나머지는 본인만 안경 착용하고 있었다. 안경의 교정시력의 변화는 시력이 변함없거나(58.7%) 나빠졌다고(35%) 답한 학생이 전체의 93.8%이었다. 반면에 시력이 좋아졌다고 답한 학생은 6.2%로 조사되었다.

• 한국안광학회지
• /
• 제1권2호
• /
• pp.57-61
• /
• 1996

신체 및 안구의 성장이 진행 중인 초등학교 아동 965명을 대상으로 시력검사 및 자각적 굴절검사를 실시한 결과 나안시력은 여자보다 남자가, 또 나이가 많을수록 좋았다. 원시안은 10세 이후 감소하였고 여자보다 남자가 많았다. 굴절도는 +0.75Dt 이하에서 가장 많이 분포하였으며, 굴절이상 정도에 대한 나안시력은 +0.75Dt이하는 0.77 +1.00Dt에서 0.50 +3.00Dt에서 0.33으로 조사되었다. 근시안은 나이와 비례하여 증가하였으며 남자보다 여자가 더 많았으며 근시의 굴절도는 남자가 -0.75Dt이하가 여자에서는 -1.00Dt ~ -1.75Dt사이에서 가장 많이 분포하였고, 굴절이상 정도에 대한 나안시력은 -0.75 Dt이하는 0.67 -1.00Dt에서 0.38 -2.00Dt에서 0.25 -3.00Dt에서는 0.2로 조사되었다.

• 한방안이비인후피부과학회지
• /
• 제35권1호
• /
• pp.58-62
• /
• 2022

Objectives : The aim of this study is to report the effect of long-term acupuncture on a amblyopia derived from astigmatism. Methods : A 39-month-old-female child presented with decreased visual acuity with simple astigmatism and amblyopia in the left eye. She took long-term acupuncture treatment once or twice a week for almost four years. And the autorefractor follow-up were conducted per every 6 months. Results : At the initial visit, naked eye visual acuity was 0.1/0.7(OD/OS), Sph. +0.00D, Cyl. -2.25D, AXIS 148° in the right eye, and Sph. +0.00D, Cyl. -0.25D, AXIS 49° in the left eye. After acupuncture treatment for about 4 years without correctional glasses, the visual acuity of the right eye was 1.0, the right eye had Sph. +0.00D, Cyl -0.50D, AXIS 146°, and the left eye had Sph. -0.25D, Cyl -0.50D, AXIS 154°. The visual acuity was maintained until 1 year follow up as 0.9/1.0(OD/OS). Conclusions : This study shows the possibility of using acupuncture treatment for amblyopia derived from astigmatism.